Abstract
Cd 1 -x Sb x S films ( x = 0.0, 0.1 and 0.2) were deposited by the ultrasonic spray pyrolysis method. The films were deposited on glass substrates at temperatures of 300 °C. The effect of antimony doping on the structural and vibrational (FT-IR and Raman) properties of cadmium sulphide films were examined. Structural investigations of the films showed the hexagonal polycrystalline structure and that the incorporation of antimony leads to substantial changes in the structural characteristics of CdS films. The preferential orientation of the Cd 1 -x Sb x S films shifts from (002) to (101) with increasing x values. The Raman spectrum for CdS films is dominated by an intense band at 301.5 cm -1 (1LO) assigned to the first-order longitudinal optic phonon and the second-order phonon peak 598.5 cm -1 (2LO). Cd 1 -x Sb x S films have been prepared and their FT-IR (400-4000 cm -1 ) spectra are reported for the first time. The vibrations at 550-1164 cm -1 are caused by Cd-S and C-O stretching vibrations.
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